Low Probability of Intercept Antenna Array Beamforming

  title={Low Probability of Intercept Antenna Array Beamforming},
  author={D E Lawrence},
  journal={IEEE Transactions on Antennas and Propagation},
  • D E Lawrence
  • Published 2010 in IEEE Transactions on Antennas and Propagation
A novel transmit array beamforming approach is introduced that offers low probability of intercept (LPI) for surveillance radar systems employing phased array antennas. Radar systems are often highly visible to intercept receivers due to the inherent two-way versus one-way propagation loss. In this paper, the traditional high-gain antenna beam scanned across a search region is replaced with a series of low-gain, spoiled beams. Keeping the transmit antenna gain low reduces the radar visibility… CONTINUE READING
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